xref: /hardware/broadcom/wlan/bcmdhd/dhdutil/include/bcmwifi_channels.h

/*
 * Misc utility routines for WL and Apps
 * This header file housing the define and function prototype use by
 * both the wl driver, tools & Apps.
 *
 * Copyright (C) 1999-2012, Broadcom Corporation
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * $Id: bcmwifi_channels.h 309193 2012-01-19 00:03:57Z $
 */

#ifndef	_bcmwifi_channels_h_
#define	_bcmwifi_channels_h_



typedef uint16 chanspec_t;


#define CH_UPPER_SB			0x01
#define CH_LOWER_SB			0x02
#define CH_EWA_VALID			0x04
#define CH_80MHZ_APART			16
#define CH_40MHZ_APART			8
#define CH_20MHZ_APART			4
#define CH_10MHZ_APART			2
#define CH_5MHZ_APART			1
#define CH_MAX_2G_CHANNEL		14
#define	MAXCHANNEL		224
#define CHSPEC_CTLOVLP(sp1, sp2, sep)	ABS(wf_chspec_ctlchan(sp1) - wf_chspec_ctlchan(sp2)) < (sep)


#undef  D11AC_IOTYPES
#define D11AC_IOTYPES

#ifndef D11AC_IOTYPES

#define WL_CHANSPEC_CHAN_MASK		0x00ff
#define WL_CHANSPEC_CHAN_SHIFT		0

#define WL_CHANSPEC_CTL_SB_MASK		0x0300
#define WL_CHANSPEC_CTL_SB_SHIFT	     8
#define WL_CHANSPEC_CTL_SB_LOWER	0x0100
#define WL_CHANSPEC_CTL_SB_UPPER	0x0200
#define WL_CHANSPEC_CTL_SB_NONE		0x0300

#define WL_CHANSPEC_BW_MASK		0x0C00
#define WL_CHANSPEC_BW_SHIFT		    10
#define WL_CHANSPEC_BW_10		0x0400
#define WL_CHANSPEC_BW_20		0x0800
#define WL_CHANSPEC_BW_40		0x0C00

#define WL_CHANSPEC_BAND_MASK		0xf000
#define WL_CHANSPEC_BAND_SHIFT		12
#define WL_CHANSPEC_BAND_5G		0x1000
#define WL_CHANSPEC_BAND_2G		0x2000
#define INVCHANSPEC			255


#define LOWER_20_SB(channel)	(((channel) > CH_10MHZ_APART) ? ((channel) - CH_10MHZ_APART) : 0)
#define UPPER_20_SB(channel)	(((channel) < (MAXCHANNEL - CH_10MHZ_APART)) ? \
				((channel) + CH_10MHZ_APART) : 0)
#define CHSPEC_WLCBANDUNIT(chspec)	(CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX)
#define CH20MHZ_CHSPEC(channel)	(chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \
				WL_CHANSPEC_CTL_SB_NONE | (((channel) <= CH_MAX_2G_CHANNEL) ? \
				WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
#define NEXT_20MHZ_CHAN(channel)	(((channel) < (MAXCHANNEL - CH_20MHZ_APART)) ? \
					((channel) + CH_20MHZ_APART) : 0)
#define CH40MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
					((channel) | (ctlsb) | WL_CHANSPEC_BW_40 | \
					((channel) <= CH_MAX_2G_CHANNEL ? WL_CHANSPEC_BAND_2G : \
					WL_CHANSPEC_BAND_5G))
#define CHSPEC_CHANNEL(chspec)	((uint8)((chspec) & WL_CHANSPEC_CHAN_MASK))
#define CHSPEC_BAND(chspec)	((chspec) & WL_CHANSPEC_BAND_MASK)


#define CHSPEC_CTL_SB(chspec)	((chspec) & WL_CHANSPEC_CTL_SB_MASK)
#define CHSPEC_BW(chspec)	((chspec) & WL_CHANSPEC_BW_MASK)

#ifdef WL11N_20MHZONLY

#define CHSPEC_IS10(chspec)	0
#define CHSPEC_IS20(chspec)	1
#ifndef CHSPEC_IS40
#define CHSPEC_IS40(chspec)	0
#endif

#else

#define CHSPEC_IS10(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
#define CHSPEC_IS20(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
#ifndef CHSPEC_IS40
#define CHSPEC_IS40(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
#endif

#endif

#define CHSPEC_IS5G(chspec)	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
#define CHSPEC_IS2G(chspec)	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
#define CHSPEC_SB_NONE(chspec)	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_NONE)
#define CHSPEC_SB_UPPER(chspec)	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER)
#define CHSPEC_SB_LOWER(chspec)	(((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER)
#define CHSPEC_CTL_CHAN(chspec)  ((CHSPEC_SB_LOWER(chspec)) ? \
				  (LOWER_20_SB(((chspec) & WL_CHANSPEC_CHAN_MASK))) : \
				  (UPPER_20_SB(((chspec) & WL_CHANSPEC_CHAN_MASK))))
#define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS5G(chspec) ? WLC_BAND_5G : WLC_BAND_2G)

#define CHANSPEC_STR_LEN    8

#else

#define WL_CHANSPEC_CHAN_MASK		0x00ff
#define WL_CHANSPEC_CHAN_SHIFT		0
#define WL_CHANSPEC_CHAN1_MASK		0x000f
#define WL_CHANSPEC_CHAN1_SHIFT		0
#define WL_CHANSPEC_CHAN2_MASK		0x00f0
#define WL_CHANSPEC_CHAN2_SHIFT		4

#define WL_CHANSPEC_CTL_SB_MASK		0x0700
#define WL_CHANSPEC_CTL_SB_SHIFT	8
#define WL_CHANSPEC_CTL_SB_LLL		0x0000
#define WL_CHANSPEC_CTL_SB_LLU		0x0100
#define WL_CHANSPEC_CTL_SB_LUL		0x0200
#define WL_CHANSPEC_CTL_SB_LUU		0x0300
#define WL_CHANSPEC_CTL_SB_ULL		0x0400
#define WL_CHANSPEC_CTL_SB_ULU		0x0500
#define WL_CHANSPEC_CTL_SB_UUL		0x0600
#define WL_CHANSPEC_CTL_SB_UUU		0x0700
#define WL_CHANSPEC_CTL_SB_LL		WL_CHANSPEC_CTL_SB_LLL
#define WL_CHANSPEC_CTL_SB_LU		WL_CHANSPEC_CTL_SB_LLU
#define WL_CHANSPEC_CTL_SB_UL		WL_CHANSPEC_CTL_SB_LUL
#define WL_CHANSPEC_CTL_SB_UU		WL_CHANSPEC_CTL_SB_LUU
#define WL_CHANSPEC_CTL_SB_L		WL_CHANSPEC_CTL_SB_LLL
#define WL_CHANSPEC_CTL_SB_U		WL_CHANSPEC_CTL_SB_LLU
#define WL_CHANSPEC_CTL_SB_LOWER 	WL_CHANSPEC_CTL_SB_LLL
#define WL_CHANSPEC_CTL_SB_UPPER	WL_CHANSPEC_CTL_SB_LLU

#define WL_CHANSPEC_BW_MASK		0x3800
#define WL_CHANSPEC_BW_SHIFT		11
#define WL_CHANSPEC_BW_5		0x0000
#define WL_CHANSPEC_BW_10		0x0800
#define WL_CHANSPEC_BW_20		0x1000
#define WL_CHANSPEC_BW_40		0x1800
#define WL_CHANSPEC_BW_80		0x2000
#define WL_CHANSPEC_BW_160		0x2800
#define WL_CHANSPEC_BW_8080		0x3000

#define WL_CHANSPEC_BAND_MASK		0xc000
#define WL_CHANSPEC_BAND_SHIFT		14
#define WL_CHANSPEC_BAND_2G		0x0000
#define WL_CHANSPEC_BAND_3G		0x4000
#define WL_CHANSPEC_BAND_4G		0x8000
#define WL_CHANSPEC_BAND_5G		0xc000
#define INVCHANSPEC			255


#define LOWER_20_SB(channel)		(((channel) > CH_10MHZ_APART) ? \
					((channel) - CH_10MHZ_APART) : 0)
#define UPPER_20_SB(channel)		(((channel) < (MAXCHANNEL - CH_10MHZ_APART)) ? \
					((channel) + CH_10MHZ_APART) : 0)
#define LOWER_40_SB(channel)		((channel) - CH_20MHZ_APART)
#define UPPER_40_SB(channel)		((channel) + CH_20MHZ_APART)
#define CHSPEC_WLCBANDUNIT(chspec)	(CHSPEC_IS5G(chspec) ? BAND_5G_INDEX : BAND_2G_INDEX)
#define CH20MHZ_CHSPEC(channel)		(chanspec_t)((chanspec_t)(channel) | WL_CHANSPEC_BW_20 | \
					(((channel) <= CH_MAX_2G_CHANNEL) ? \
					WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G))
#define NEXT_20MHZ_CHAN(channel)	(((channel) < (MAXCHANNEL - CH_20MHZ_APART)) ? \
					((channel) + CH_20MHZ_APART) : 0)
#define CH40MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
					((channel) | (ctlsb) | WL_CHANSPEC_BW_40 | \
					((channel) <= CH_MAX_2G_CHANNEL ? WL_CHANSPEC_BAND_2G : \
					WL_CHANSPEC_BAND_5G))
#define CH80MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
					((channel) | (ctlsb) | \
					 WL_CHANSPEC_BW_80 | WL_CHANSPEC_BAND_5G)
#define CH160MHZ_CHSPEC(channel, ctlsb)	(chanspec_t) \
					((channel) | (ctlsb) | \
					 WL_CHANSPEC_BW_160 | WL_CHANSPEC_BAND_5G)


#define CHSPEC_CHANNEL(chspec)		((uint8)((chspec) & WL_CHANSPEC_CHAN_MASK))
#define CHSPEC_CHAN1(chspec)		((chspec) & WL_CHANSPEC_CHAN1_MASK)
#define CHSPEC_CHAN2(chspec)		((chspec) & WL_CHANSPEC_CHAN2_MASK)
#define CHSPEC_BAND(chspec)		((chspec) & WL_CHANSPEC_BAND_MASK)
#define CHSPEC_CTL_SB(chspec)		((chspec) & WL_CHANSPEC_CTL_SB_MASK)
#define CHSPEC_BW(chspec)		((chspec) & WL_CHANSPEC_BW_MASK)

#ifdef WL11N_20MHZONLY

#define CHSPEC_IS10(chspec)	0
#define CHSPEC_IS20(chspec)	1
#ifndef CHSPEC_IS40
#define CHSPEC_IS40(chspec)	0
#endif
#ifndef CHSPEC_IS80
#define CHSPEC_IS80(chspec)	0
#endif
#ifndef CHSPEC_IS160
#define CHSPEC_IS160(chspec)	0
#endif
#ifndef CHSPEC_IS8080
#define CHSPEC_IS8080(chspec)	0
#endif

#else

#define CHSPEC_IS10(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_10)
#define CHSPEC_IS20(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_20)
#ifndef CHSPEC_IS40
#define CHSPEC_IS40(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40)
#endif
#ifndef CHSPEC_IS80
#define CHSPEC_IS80(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_80)
#endif
#ifndef CHSPEC_IS160
#define CHSPEC_IS160(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_160)
#endif
#ifndef CHSPEC_IS8080
#define CHSPEC_IS8080(chspec)	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_8080)
#endif

#endif

#define CHSPEC_IS5G(chspec)	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_5G)
#define CHSPEC_IS2G(chspec)	(((chspec) & WL_CHANSPEC_BAND_MASK) == WL_CHANSPEC_BAND_2G)
#define CHSPEC_SB_UPPER(chspec)	\
	((((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_UPPER) && \
	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40))
#define CHSPEC_SB_LOWER(chspec)	\
	((((chspec) & WL_CHANSPEC_CTL_SB_MASK) == WL_CHANSPEC_CTL_SB_LOWER) && \
	(((chspec) & WL_CHANSPEC_BW_MASK) == WL_CHANSPEC_BW_40))
#define CHSPEC2WLC_BAND(chspec) (CHSPEC_IS5G(chspec) ? WLC_BAND_5G : WLC_BAND_2G)


#define CHANSPEC_STR_LEN    20



#define WL_LCHANSPEC_CHAN_MASK		0x00ff
#define WL_LCHANSPEC_CHAN_SHIFT		     0

#define WL_LCHANSPEC_CTL_SB_MASK	0x0300
#define WL_LCHANSPEC_CTL_SB_SHIFT	     8
#define WL_LCHANSPEC_CTL_SB_LOWER	0x0100
#define WL_LCHANSPEC_CTL_SB_UPPER	0x0200
#define WL_LCHANSPEC_CTL_SB_NONE	0x0300

#define WL_LCHANSPEC_BW_MASK		0x0C00
#define WL_LCHANSPEC_BW_SHIFT		    10
#define WL_LCHANSPEC_BW_10		0x0400
#define WL_LCHANSPEC_BW_20		0x0800
#define WL_LCHANSPEC_BW_40		0x0C00

#define WL_LCHANSPEC_BAND_MASK		0xf000
#define WL_LCHANSPEC_BAND_SHIFT		    12
#define WL_LCHANSPEC_BAND_5G		0x1000
#define WL_LCHANSPEC_BAND_2G		0x2000

#define LCHSPEC_CHANNEL(chspec)	((uint8)((chspec) & WL_LCHANSPEC_CHAN_MASK))
#define LCHSPEC_BAND(chspec)	((chspec) & WL_LCHANSPEC_BAND_MASK)
#define LCHSPEC_CTL_SB(chspec)	((chspec) & WL_LCHANSPEC_CTL_SB_MASK)
#define LCHSPEC_BW(chspec)	((chspec) & WL_LCHANSPEC_BW_MASK)
#define LCHSPEC_IS10(chspec)	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_10)
#define LCHSPEC_IS20(chspec)	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_20)
#define LCHSPEC_IS40(chspec)	(((chspec) & WL_LCHANSPEC_BW_MASK) == WL_LCHANSPEC_BW_40)
#define LCHSPEC_IS5G(chspec)	(((chspec) & WL_LCHANSPEC_BAND_MASK) == WL_LCHANSPEC_BAND_5G)
#define LCHSPEC_IS2G(chspec)	(((chspec) & WL_LCHANSPEC_BAND_MASK) == WL_LCHANSPEC_BAND_2G)

#define LCHSPEC_CREATE(chan, band, bw, sb)  ((uint16)((chan) | (sb) | (bw) | (band)))

#endif




#define WF_CHAN_FACTOR_2_4_G		4814


#define WF_CHAN_FACTOR_5_G		10000


#define WF_CHAN_FACTOR_4_G		8000


#define WLC_MAXRATE	108
#define WLC_RATE_1M	2
#define WLC_RATE_2M	4
#define WLC_RATE_5M5	11
#define WLC_RATE_11M	22
#define WLC_RATE_6M	12
#define WLC_RATE_9M	18
#define WLC_RATE_12M	24
#define WLC_RATE_18M	36
#define WLC_RATE_24M	48
#define WLC_RATE_36M	72
#define WLC_RATE_48M	96
#define WLC_RATE_54M	108

#define WLC_2G_25MHZ_OFFSET		5


extern char * wf_chspec_ntoa(chanspec_t chspec, char *buf);


extern chanspec_t wf_chspec_aton(const char *a);


extern bool wf_chspec_malformed(chanspec_t chanspec);


extern bool wf_chspec_valid(chanspec_t chanspec);


extern uint8 wf_chspec_ctlchan(chanspec_t chspec);


extern chanspec_t wf_chspec_ctlchspec(chanspec_t chspec);


extern chanspec_t wf_chspec_primary40_chspec(chanspec_t chspec);


extern int wf_mhz2channel(uint freq, uint start_factor);


extern int wf_channel2mhz(uint channel, uint start_factor);

#endif